package com.atguigu.gulimall.product.service.impl;

import com.alibaba.fastjson.TypeReference;
import com.atguigu.common.utils.R;
import com.atguigu.gulimall.product.entity.SkuImagesEntity;
import com.atguigu.gulimall.product.entity.SpuInfoDescEntity;
import com.atguigu.gulimall.product.feign.SeckillFeignService;
import com.atguigu.gulimall.product.service.*;
import com.atguigu.gulimall.product.vo.SeckillSkuVo;
import com.atguigu.gulimall.product.vo.SkuItemSaleAttrVo;
import com.atguigu.gulimall.product.vo.SkuItemVo;
import com.atguigu.gulimall.product.vo.SpuItemAttrGroupVo;
import org.apache.commons.lang.StringUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import java.math.BigDecimal;
import java.util.List;
import java.util.Map;
import java.util.concurrent.CompletableFuture;

import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.baomidou.mybatisplus.core.metadata.IPage;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.atguigu.common.utils.PageUtils;
import com.atguigu.common.utils.Query;

import com.atguigu.gulimall.product.dao.SkuInfoDao;
import com.atguigu.gulimall.product.entity.SkuInfoEntity;
import com.atguigu.gulimall.product.vo.SecKillInfoVo;


@Service("skuInfoService")
public class SkuInfoServiceImpl extends ServiceImpl<SkuInfoDao, SkuInfoEntity> implements SkuInfoService {

    @Autowired
    SkuImagesService skuImagesService;

    @Autowired
    SpuInfoDescService spuInfoDescService;

    @Autowired
    AttrGroupService attrGroupService;

    @Autowired
    SeckillFeignService seckillFeignService;

    @Autowired
    SkuSaleAttrValueService skuSaleAttrValueService;

    @Override
    public PageUtils queryPage(Map<String, Object> params) {
        IPage<SkuInfoEntity> page = this.page(
                new Query<SkuInfoEntity>().getPage(params),
                new QueryWrapper<SkuInfoEntity>()
        );

        return new PageUtils(page);
    }

    @Override
    public void saveSkuInfo(SkuInfoEntity skuInfoEntity) {
        this.baseMapper.insert(skuInfoEntity);
    }

    @Override
    public PageUtils queryPageByCondition(Map<String, Object> params) {
        QueryWrapper<SkuInfoEntity> skuInfoEntityQueryWrapper = new QueryWrapper<>();

        /**
         * key: '华为',//检索关键字
         * catelogId: 0,
         * brandId: 0,
         * min: 0,
         * max: 0
         */

        String key = (String) params.get("key");
        if (!StringUtils.isEmpty(key)) {
            log.warn("key: " + key);
            skuInfoEntityQueryWrapper.and(w->{
                w.eq("sku_id", key).or().like("sku_name", key);
            });
        }

        String catelogId = (String) params.get("catelogId");
        if (!StringUtils.isEmpty(catelogId) && !"0".equalsIgnoreCase(catelogId)) {
            log.warn("catelogid = " + catelogId);
            skuInfoEntityQueryWrapper.eq("catelog_id", catelogId);
        }

        String brandId = (String) params.get("brandId");
        if (!StringUtils.isEmpty(brandId) && !"0".equalsIgnoreCase(brandId)) {
            log.warn("brandId = " + brandId);
            skuInfoEntityQueryWrapper.eq("brand_id", brandId);
        }

        String min = (String) params.get("min");
        if (!StringUtils.isEmpty(min)) {
            skuInfoEntityQueryWrapper.ge("price", min);
        }

        String max = (String) params.get("max");
        if (!StringUtils.isEmpty(max)) {
            try {
                BigDecimal bigDecimal = new BigDecimal(max);
                if (bigDecimal.compareTo(new BigDecimal("0")) == 1) {
                    skuInfoEntityQueryWrapper.le("price", max);
                }
            } catch (Exception e) {
                log.error(e.getMessage());
            }
        }

        IPage<SkuInfoEntity> page = this.page(
                new Query<SkuInfoEntity>().getPage(params),
                skuInfoEntityQueryWrapper
        );

        log.warn("ok");

        return new PageUtils(page);
    }

    @Override
    public List<SkuInfoEntity> getSkusBySpuId(Long spuId) {

        List<SkuInfoEntity> list = this.list(new QueryWrapper<SkuInfoEntity>().eq("spu_id", spuId));

        return list;
    }

    @Override
    public SkuItemVo item(Long skuId) {
        // 1. sku的基本信息
        SkuItemVo skuItemVo = new SkuItemVo();
        SkuInfoEntity info = getById(skuId);
        skuItemVo.setInfo(info);
        Long catalogId = info.getCatalogId();
        Long spuId = info.getSpuId();


        // 2. sku图片信息
        List<SkuImagesEntity> images = skuImagesService.getImagesBySkuId(skuId);
        skuItemVo.setImages(images);

        // 3. 获取spu的销售属性组合
        List<SkuItemSaleAttrVo> saleAttrVos = skuSaleAttrValueService.getSaleAttrBySpuId(spuId);
        skuItemVo.setSaleAttr(saleAttrVos);

        // 4. 获取spu的介绍
        SpuInfoDescEntity spuInfoDescEntity = spuInfoDescService.getById(spuId);
        skuItemVo.setDesp(spuInfoDescEntity);

        // 5. 获取spu的规格参数信息
        List<SpuItemAttrGroupVo> attrGroupVos = attrGroupService.getAttrGroupWithAttrsBySpuId(spuId, catalogId);
        skuItemVo.setGroupAttrs(attrGroupVos);

        R skuSeckilInfo = seckillFeignService.getSkuSeckilInfo(skuId);
        if (skuSeckilInfo.getCode() == 0) {
            //查询成功
            SecKillInfoVo seckilInfoData = skuSeckilInfo.getData("data", new TypeReference<SecKillInfoVo>() {
            });
            skuItemVo.setSecKillInfoVo(seckilInfoData);

            if (seckilInfoData != null) {
                long currentTime = System.currentTimeMillis();
                if (currentTime > seckilInfoData.getEndTime()) {
                    skuItemVo.setSecKillInfoVo(null);
                }
            }
        }

        return skuItemVo;
    }
}

//new Query<SkuInfoEntity>().getPage(params),